Anh
acoustic absorption
sonic absorption
sound absorption
Đức
Schallabsorption
Schalldämpfung
Pháp
absorption acoustique
absorption sonore
acoustic absorption,sonic absorption,sound absorption /SCIENCE,TECH/
[DE] Schallabsorption; Schalldämpfung
[EN] acoustic absorption; sonic absorption; sound absorption
[FR] absorption acoustique; absorption sonore